The 30-year-old from west London was held on suspicion of being “involved in the commission, preparation or instigation of terrorism” by officers from the Metropolitan Police’s Counter Terrorism Command

A second man has been arrested on suspicion of terrorism offences after an attack on police officers near Buckingham Palace.

The 30-year-old from west London was held on suspicion of being “involved in the commission, preparation or instigation of terrorism” by officers from the Metropolitan Police’s Counter Terrorism Command.

Detectives investigating the suspected terrorist attack in Constitution Hill on Friday night were conducting a search of the property where he was seized.

It comes after a 26-year-old man allegedly attacked three officers on Friday night.

He was detained after he deliberately drove at a police van on Constitution Hill, close to the Queen’s official residence in London.

Police have arrested a second man in connection with the attack (Image: Getty Images Europe)

The attack was close to Buckingham Palace (Image: PA)

As he was being held by three officers in the vehicle he allegedly slashed at them with a four-foot sword.

The three unarmed Westminster police officers received only minor injuries. Two of them were taken to hospital by ambulance after suffering cuts to their hands and forearms.

Police have been given more time to question the man after a warrant was extended until September 1.

No members of the Royal Family were in the palace at the time.

Officers were allegedly attacked (Image: Getty Images Europe)

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Dean Haydon, head of counter-terrorism at Scotland Yard, said the suspect deliberately drove at a police vehicle before stopping and being confronted by three officers.

“CS gas was used as part of the arrest and during the struggle the individual repeatedly shouted the words Allahu Akbar,” he said.

Commander Haydon urged members of the public to remain vigilant and alert.

An increased police presence will be visible on the streets of London again today (MON), including at the Notting Hill Carnival.